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Flights San Francisco – Denver, Frontier Airlines

1 passenger, economy

Flight schedule San Francisco – Denver, Frontier Airlines

Compare prices, duration and stops

Frontier Airlines
F9 2930
06:58
San Francisco (SFO)
Sat, 12 sep
7h 17min
1 stop
14:15
Denver (DEN)
Sat, 12 sep
314 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Sat, 12 sep
2h 42min
Direct
15:46
Denver (DEN)
Sat, 12 sep
220 NZ$
Frontier Airlines
F9 3436
18:42
San Francisco (SFO)
Sat, 12 sep
2h 48min
Direct
21:30
Denver (DEN)
Sat, 12 sep
85 NZ$
Frontier Airlines
F9 2486
22:15
San Francisco (SFO)
Sat, 12 sep
7h 29min
1 stop
05:44
Denver (DEN)
Sun, 13 sep +1
240 NZ$
Frontier Airlines
F9 3440
01:37
San Francisco (SFO)
Mon, 14 sep
2h 49min
Direct
04:26
Denver (DEN)
Mon, 14 sep
217 NZ$
Frontier Airlines
F9 3308
16:00
San Francisco (SFO)
Mon, 14 sep
7h 59min
1 stop
23:59
Denver (DEN)
Mon, 14 sep
229 NZ$
Frontier Airlines
F9 2678
01:02
San Francisco (SFO)
Tue, 15 sep
14h 33min
1 stop
15:35
Denver (DEN)
Tue, 15 sep
91 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Tue, 15 sep
2h 42min
Direct
15:46
Denver (DEN)
Tue, 15 sep
110 NZ$
Frontier Airlines
F9 3308
16:00
San Francisco (SFO)
Wed, 16 sep
7h 32min
1 stop
23:32
Denver (DEN)
Wed, 16 sep
109 NZ$
Frontier Airlines
F9 3436 Best price
18:42
San Francisco (SFO)
Wed, 16 sep
2h 48min
Direct
21:30
Denver (DEN)
Wed, 16 sep
80 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Thu, 17 sep
2h 42min
Direct
15:46
Denver (DEN)
Thu, 17 sep
97 NZ$
Frontier Airlines
F9 4310
16:42
San Francisco (SFO)
Thu, 17 sep
2h 47min
Direct
19:29
Denver (DEN)
Thu, 17 sep
102 NZ$
Frontier Airlines
F9 2858
19:07
San Francisco (SFO)
Thu, 17 sep
28h 52min
1 stop
23:59
Denver (DEN)
Fri, 18 sep +1
158 NZ$
Frontier Airlines
F9 2678
01:02
San Francisco (SFO)
Sat, 19 sep
20h 5min
1 stop
21:07
Denver (DEN)
Sat, 19 sep
127 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Sat, 19 sep
2h 42min
Direct
15:46
Denver (DEN)
Sat, 19 sep
91 NZ$
Frontier Airlines
F9 2930
06:58
San Francisco (SFO)
Sun, 20 sep
7h 17min
1 stop
14:15
Denver (DEN)
Sun, 20 sep
229 NZ$
Frontier Airlines
F9 2638
20:10
San Francisco (SFO)
Sun, 20 sep
9h 38min
1 stop
05:48
Denver (DEN)
Mon, 21 sep +1
238 NZ$
Frontier Airlines
F9 3382
23:31
San Francisco (SFO)
Sun, 20 sep
16h 28min
1 stop
15:59
Denver (DEN)
Mon, 21 sep +1
199 NZ$
Frontier Airlines
F9 3440
23:34
San Francisco (SFO)
Mon, 21 sep
2h 46min
Direct
02:20
Denver (DEN)
Tue, 22 sep +1
111 NZ$
Frontier Airlines
F9 2930
06:58
San Francisco (SFO)
Tue, 22 sep
7h 17min
1 stop
14:15
Denver (DEN)
Tue, 22 sep
230 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Tue, 22 sep
2h 42min
Direct
15:46
Denver (DEN)
Tue, 22 sep
104 NZ$
Frontier Airlines
F9 4158
18:17
San Francisco (SFO)
Tue, 22 sep
11h 27min
1 stop
05:44
Denver (DEN)
Wed, 23 sep +1
128 NZ$
Frontier Airlines
F9 3308
16:00
San Francisco (SFO)
Wed, 23 sep
29h 5min
1 stop
21:05
Denver (DEN)
Thu, 24 sep +1
108 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Thu, 24 sep
2h 42min
Direct
15:46
Denver (DEN)
Thu, 24 sep
114 NZ$
Frontier Airlines
F9 2858
19:07
San Francisco (SFO)
Thu, 24 sep
4h 52min
1 stop
23:59
Denver (DEN)
Thu, 24 sep
239 NZ$
Frontier Airlines
F9 3440
23:34
San Francisco (SFO)
Fri, 25 sep
2h 46min
Direct
02:20
Denver (DEN)
Sat, 26 sep +1
150 NZ$
Frontier Airlines
F9 3436
18:42
San Francisco (SFO)
Sat, 26 sep
2h 48min
Direct
21:30
Denver (DEN)
Sat, 26 sep
116 NZ$
Frontier Airlines
F9 3382
23:31
San Francisco (SFO)
Sun, 27 sep
16h 28min
1 stop
15:59
Denver (DEN)
Mon, 28 sep +1
220 NZ$
Frontier Airlines
F9 1230
13:04
San Francisco (SFO)
Wed, 30 sep
2h 42min
Direct
15:46
Denver (DEN)
Wed, 30 sep
88 NZ$
Frontier Airlines
F9 3436
18:42
San Francisco (SFO)
Wed, 30 sep
2h 48min
Direct
21:30
Denver (DEN)
Wed, 30 sep
115 NZ$
Frontier Airlines
F9 3382
23:31
San Francisco (SFO)
Wed, 30 sep
16h 28min
1 stop
15:59
Denver (DEN)
Thu, 1 oct +1
209 NZ$
Frontier Airlines
F9 4402
05:24
San Francisco (SFO)
Fri, 2 oct
20h 57min
2 stops
02:21
Denver (DEN)
Sat, 3 oct +1
203 NZ$

Low price calendar

September 2026
Price chart (September 2026)
min: 91 NZ$ · max: 240 NZ$
01.09.2026 — no data 02.09.2026 — no data 03.09.2026 — no data 04.09.2026 — no data 05.09.2026 — no data 06.09.2026 — no data 07.09.2026 — no data 08.09.2026 — no data 09.09.2026 — no data 10.09.2026 — no data 11.09.2026 — no data 12.09.2026 — 240 NZ$ 13.09.2026 — 196 NZ$ 14.09.2026 — 229 NZ$ 15.09.2026 — 110 NZ$ 16.09.2026 — 109 NZ$ 17.09.2026 — 158 NZ$ 18.09.2026 — no data 19.09.2026 — 91 NZ$ 20.09.2026 — 229 NZ$ 21.09.2026 — 111 NZ$ 22.09.2026 — 128 NZ$ 23.09.2026 — 108 NZ$ 24.09.2026 — 239 NZ$ 25.09.2026 — 150 NZ$ 26.09.2026 — 116 NZ$ 27.09.2026 — 220 NZ$ 28.09.2026 — no data 29.09.2026 — no data 30.09.2026 — 209 NZ$ 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
Mon
Tue
Wed
Thu
Fri
Sat
Sun
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2
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3
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4
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5
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6
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7
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8
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9
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10
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11
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12
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240 NZ$
13
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196 NZ$
14
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229 NZ$
15
Good deal
110 NZ$
16
Good deal
109 NZ$
17
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158 NZ$
18
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no data
19
Good deal
91 NZ$
20
placeholder
229 NZ$
21
placeholder
111 NZ$
22
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128 NZ$
23
Good deal
108 NZ$
24
placeholder
239 NZ$
25
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150 NZ$
26
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116 NZ$
27
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220 NZ$
28
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no data
29
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30
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209 NZ$

Popular Frontier Airlines flights San Francisco – Denver

All →
Flight Departure days Price from
F93436 WedSat NZ$80
F91230 TueWedThuSat NZ$88
F92678 TueSat NZ$91
F94310 Thu NZ$102
F93308 MonWed NZ$108
F93440 MonFri NZ$111
F94158 Tue NZ$128
F92858 Thu NZ$158
F93382 WedSun NZ$199
F94402 Fri NZ$203

Popular destinations from San Francisco

All →
SFO
San Francisco — Los Angeles
United States → United States
LAX
from
NZ$31
SFO
San Francisco — San Diego
United States → United States
SAN
from
NZ$32
SFO
San Francisco — Ontario
United States → United States
ONT
from
NZ$36
SFO
San Francisco — Las Vegas
United States → United States
LAS
from
NZ$37
SFO
San Francisco — Los Angeles
United States → United States
SNA
from
NZ$76
SFO
San Francisco — Seattle
United States → United States
SEA
from
NZ$79
SFO
San Francisco — Phoenix
United States → United States
PHX
from
NZ$80
SFO
San Francisco — Portland
United States → United States
PDX
from
NZ$95

Popular destinations to Denver

All →
PHX
Phoenix — Denver
United States → United States
DEN
from
NZ$39
CHI
Chicago — Denver
United States → United States
DEN
from
NZ$41
SLC
Salt Lake City — Denver
United States → United States
DEN
from
NZ$44
SEA
Seattle — Denver
United States → United States
DEN
from
NZ$44
ATL
Atlanta — Denver
United States → United States
DEN
from
NZ$45
DFW
Dallas — Denver
United States → United States
DEN
from
NZ$45
AUS
Austin — Denver
United States → United States
DEN
from
NZ$45
LAX
Los Angeles — Denver
United States → United States
DEN
from
NZ$46
MSP
Minneapolis — Denver
United States → United States
DEN
from
NZ$52

Flight statistics San Francisco – Denver, Frontier Airlines

We gathered interesting facts about the flight for you

Cheapest flight

F9 3436

NZ$80

Fastest flight

F9 1230

2h 42min

Average time

8h 35min

Distance

1 553 km

Passenger reviews

No reviews for this route yet

Internet abroad

eSIM · United States

All plans

change

3 GB

data

30

days

NZ$15

Buy

change

2 GB

data

15

days

NZ$22

Buy

change

5 GB

data

30

days

NZ$24

Buy

change

3 GB

data

30

days

NZ$28

Buy

change

5 GB

data

30

days

NZ$39

Buy

Frequently Asked Questions

The cheapest Frontier Airlines ticket San Francisco – Denver costs NZ$80, flight F93436, departing at 18:42.
The fastest Frontier Airlines flight San Francisco – Denver takes 2h 42min, flight F91230, departing at 13:04.
The earliest Frontier Airlines flight San Francisco – Denver (F92930) departs at 06:58.